Description

(3E,5E)-3,5-Nonadien-7-Yn-2-Ol CAS NO 43142-43-4 is a high-purity, unsaturated alcohol characterized by its conjugated diyne and enol structure, serving as a valuable chiral building block and intermediate in advanced organic synthesis. Its unique molecular framework makes it essential for constructing complex natural product analogs and fine chemical architectures. This compound is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty fragrance industries for developing novel active ingredients and high-value aroma chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of prostaglandin analogs, vitamin derivatives, and other bioactive molecules.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and plant growth regulators leveraging its unsaturated backbone.
• Fragrance & Flavor Ingredient: Acts as a precursor for sophisticated green, fatty, or marine odor notes in high-end perfumery due to its alkenynol structure.
• Material Science Research: Investigated as a monomer or cross-linking agent for specialty polymers with unique optical or electronic properties.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions, coupling reactions, and other catalytic transformations to introduce functionalized carbon chains.
• Chemical Reference Standard: Serves as an analytical standard for quality control and research in laboratories.

Basic Information

Product Name	(3E,5E)-3,5-Nonadien-7-Yn-2-Ol
CAS No.	43142-43-4
Molecular Formula	C9H12O
Molecular Weight	136.19 g/mol
Synonyms	(3E,5E)-Nona-3,5-dien-7-yn-2-ol; 3,5-Nonadien-7-yn-2-ol, (3E,5E)-; 2-Nonadien-7-yn-5-ol; (E,E)-3,5-Nonadien-7-yn-2-ol; 7-Octene-1,3-diyne-5-ol; 3,5-Nonadien-7-yn-2-ol
EINECS	Contact for details

Quality Control

Every batch of (3E,5E)-3,5-Nonadien-7-Yn-2-Ol is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards for fine chemicals and research materials. Comprehensive analytical testing, including chromatography and spectroscopy, is performed to verify identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, open flames, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Purity (HPLC)	≥ 94.0%
Isomeric Purity ((E,E)-isomer)	≥ 98.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.